MCQs
1. Pollen grains represent the:
A. Female gametophyte
B. Male gametophyte
C. Sporophyte
D. Embryo
2. The tough outer layer of the pollen grain wall is called:
A. Intine
B. Exine
C. Plasma membrane
D. Cuticle
3. The exine of pollen grains is mainly made up of:
A. Cellulose
B. Pectin
C. Sporopollenin
D. Lignin
4. Sculpturing on pollen refers to:
A. Internal structure of pollen
B. Pattern on the outer wall of pollen
C. Shape of ovule
D. Structure of stigma
5. Pollen sculpturing patterns are present on the:
A. Intine
B. Exine
C. Cytoplasm
D. Plasma membrane
6. Which of the following is NOT a type of pollen sculpturing?
A. Echinate
B. Reticulate
C. Striate
D. Filamentous
7. The study of pollen grains is called:
A. Cytology
B. Ecology
C. Palynology
D. Morphology
8. Typical size of pollen grains is approximately:
A. 1‐ 5 µm
B. 10‐15 µm
C. 25‐50 µm
D. 100‐150 µm
9. Sporopollenin is known for its:
A. Weak structure
B. Resistance to extreme conditions
C. Solubility in water
D. Soft texture
10. Germ pores are regions where:
A. Intine is absent
B. Cytoplasm is absent
C. Sporopollenin is absent
D. Nucleus is absent
11. The main function of the germ pore is to:
A. Produce pollen grains
B. Allow pollen tube emergence
C. Protect pollen grains
D. Store food
12. The inner wall of the pollen grain is called:
A. Exine
B. Intine
C. Tapetum
D. Endosperm
13. The intine is mainly composed of:
A. Cellulose and pectin
B. Sporopollenin
C. Lignin
D. Suberin
14. In most angiosperms, pollen grains are shed at the:
A. 1-celled stage
B. 2-celled stage
C. 3-celled stage
D. 4-celled stage
15. The larger cell in a pollen grain that contains abundant food reserve is the
A. Generative cell
B. Vegetative cell
C. Egg cell
D. Endosperm cell
16. The generative cell divides to form:
A. Pollen tube
B. Two male gametes
C. Endosperm
D. Ovule
17. Pollen grains are preserved as fossils mainly due to:
A. Cellulose
B. Sporopollenin
C. Pectin
D. Lignin
18. Which plant is well known for causing pollen allergy in India?
A. Mango
B. Neem
C. Parthenium
D. Rose
19. Pollen allergy may cause:
A. Malaria
B. Asthma and bronchitis
C. Diabetes
D. Hypertension
20. Pollen grains are rich in:
A. Vitamins and nutrients
B. Lipids only
C. Water only
D. Minerals only
For NEET ‐ Biology and Chemistry;
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